(School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240,China)
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Abstract:
shape memory effect and superelasticity of Febased alloys depend on the natures of martensitic transformation in ironbased alloy. Understanding of martensitic transformation in iron based alloys is important for development and optimization of Febased shape memory alloys. Based on the different features of martensitic transformation, Fe based shape memory alloys are divided into three categories, including FeMnSi，FeNiCo and FePt/FePd system.